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Is clipping GIF's in code better than storing the GIF cuts in web-space?

Posted on 2014-12-30
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Last Modified: 2014-12-31
Hi

for my RTS, I have the GIF tiles ready for my map scenery.
I can chop them up from a big image at the beginning or load in each tile one by one.

Is the obvious improvement in loading a GIF once and chopping the sub-images out the best way to go, or is loading in the images pre-cut better?

Thanks
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Question by:beavoid
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5 Comments
 
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dpearson earned 2000 total points
ID: 40525059
Generally it's better to load 1 large image and pull the image elements from within that.

This is generally known as "texture packing" and makes a big difference if you can load the entire image (a texture atlas) into video memory in one go.  You can read more about it here: http://en.wikipedia.org/wiki/Texture_atlas

I've not personally attempted to do this with a Java front end client, but it's a common technique used with many other rendering technologies.
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Expert Comment

by:gheist
ID: 40525180
HTTP adds heap of latency when loading lots of sprites, so it is best to join them together.
It will kind of be solved with HTTP/2.0, currently known as SPDY or so.
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Author Comment

by:beavoid
ID: 40525446
I am not using HTTP, no text, just extracting the GIF from my domain into memory.
But it's best to make one load of graphics and chop it up? Latency, how? Surely once it is in memory, it is solid?

Thanks
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LVL 62

Expert Comment

by:gheist
ID: 40526273
You can have one huge png resource for all.
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Author Closing Comment

by:beavoid
ID: 40526275
Great
Thanks
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